Merge tag 'intel-gpio-v6.10-1' of git://git.kernel.org/pub/scm/linux/…

…kernel/git/andy/linux-gpio-intel into gpio/for-next

intel-gpio for v6.10-1

* New driver for vGPIO controller on Intel Granite Rapids-D
* Update ACPI GPIO library to unify the IRQ code path
* Better GPIO IRQ line labeling for ACPI
* Switched Intel SCH driver to use "mapped" I/O accessors

The following is an automated git shortlog grouped by driver:

Add Intel Granite Rapids-D vGPIO driver:
 - Add Intel Granite Rapids-D vGPIO driver

crystalcove:
 -  Use -ENOTSUPP consistently

gpiolib:
 -  acpi: Set label for IRQ only lines
 -  acpi: Add fwnode name to the GPIO interrupt label
 -  acpi: Pass con_id instead of property into acpi_dev_gpio_irq_get_by()
 -  acpi: Move acpi_can_fallback_to_crs() out of __acpi_find_gpio()
 -  acpi: Simplify error handling in __acpi_find_gpio()
 -  acpi: Extract __acpi_find_gpio() helper
 -  acpi: Check for errors first in acpi_find_gpio()
 -  acpi: Remove never true check in acpi_get_gpiod_by_index()

sch:
 -  Utilise temporary variable for struct device
 -  Switch to memory mapped IO accessors

wcove:
 -  Use -ENOTSUPP consistently

MAINTAINERS

@@ -10895,6 +10895,7 @@ L:	linux-gpio@vger.kernel.org
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
 F:	drivers/gpio/gpio-elkhartlake.c
+F:	drivers/gpio/gpio-graniterapids.c
 F:	drivers/gpio/gpio-ich.c
 F:	drivers/gpio/gpio-merrifield.c
 F:	drivers/gpio/gpio-ml-ioh.c

drivers/gpio/Kconfig

@@ -312,6 +312,24 @@ config GPIO_GENERIC_PLATFORM
 	help
 	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
 
+config GPIO_GRANITERAPIDS
+	tristate "Intel Granite Rapids-D vGPIO support"
+	depends on X86 || COMPILE_TEST
+	select GPIOLIB_IRQCHIP
+	help
+	  Select this to enable virtual GPIO support on platforms with the
+	  following SoCs:
+
+	  - Intel Granite Rapids-D
+
+	  The driver enables basic GPIO functionality and implements interrupt
+	  support. The virtual GPIO driver controls GPIO lines via a firmware
+	  interface. The physical GPIO pins reside on device that is external
+	  from the main SoC package, such as a BMC or a CPLD.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called gpio-graniterapids.
+
 config GPIO_GRGPIO
 	tristate "Aeroflex Gaisler GRGPIO support"
 	depends on OF_GPIO

drivers/gpio/Makefile

@@ -66,6 +66,7 @@ obj-$(CONFIG_GPIO_FTGPIO010)		+= gpio-ftgpio010.o
 obj-$(CONFIG_GPIO_FXL6408)		+= gpio-fxl6408.o
 obj-$(CONFIG_GPIO_GE_FPGA)		+= gpio-ge.o
 obj-$(CONFIG_GPIO_GPIO_MM)		+= gpio-gpio-mm.o
+obj-$(CONFIG_GPIO_GRANITERAPIDS)	+= gpio-graniterapids.o
 obj-$(CONFIG_GPIO_GRGPIO)		+= gpio-grgpio.o
 obj-$(CONFIG_GPIO_GW_PLD)		+= gpio-gw-pld.o
 obj-$(CONFIG_GPIO_HISI)                 += gpio-hisi.o

drivers/gpio/gpio-crystalcove.c

@@ -92,7 +92,7 @@ static inline int to_reg(int gpio, enum ctrl_register reg_type)
 		case 0x5e:
 			return GPIOPANELCTL;
 		default:
-			return -EOPNOTSUPP;
+			return -ENOTSUPP;
 		}
 	}